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A transverse wave on a string is given by the formula D(x,t)=0.20sin(3.6x−25.0t), where D and x...

A transverse wave on a string is given by the formula D(x,t)=0.20sin(3.6x−25.0t), where D and x are in m and t is in s.

1.At t=0.12s, what is the transverse displacement of the point on the string where x=0.50m?   

2.At t=0.12s, what is the (transverse) velocity of the point on the string where x=0.50m? Indicate the direction of velocity with the sign of your answer.   

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